Entropy is determined using a table of standard values in much the same way as enthalpies...

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Entropy is determined using a table of standard values in much the same way as enthalpies...

Entropy is determined using a table of standard values in much the same way as enthalpies earlier by using the equation below:

calculate the entropy change for gasoline in your car engine.

2 C8H18 + 25 O2 -> 16 CO2 + 18 H2O + kJ

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Answer 1

Answer #1

entropy change of reaction = 16 S ( CO2) + 18 S ( H2O) - 2 S ( C8H18) - 25 S ( O2)

= 16 x ( 214 J/molK) + 18 ( 189 J/molK) - 2 ( 361 J/molK) - 15 ( 205 J/molK)

= 3029 J/molK

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Answer 2

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